chiefg suhr t anybody el >> go seahawks! >> reporter: -- extra security becomes a top priority for the san francisco police chief. won't talk hard numbers but did say -- >> i'll tell you what. we had about 50% more officers than at a regular nonrivalry game here today and probably twice as many officers in opposing team apparel. >> reporter: that means officers disguised in seahawks jerseys monitoring the crowd inside and outside candlestick at all times. the seahawks do it at their home games and for a big game like this now we do it, too. >> if you get at anybody else, you're going to find yourself in jail. these tickets are in jail. you'll want to find yourself inside the stadium and not in our station. >> reporter: for fans the extra security was paying off. ronnie wittenberg has broken up a free game fight or two in his day but not today. >> let's just chill. it's a game. let's have fun and enjoy ourselves of. >> reporter: and the cortez sisters agree. >> i've heard the area can be not so safe, but i feel totally fine.